Valve box
Holder cover
(B)
Overall cover
packing
Fig 2-C
Fig 2-D
Diaphragm holder
Solenoid
Magnet
（
D
）
(C)
○
Undo the screws (B) and remove the holder
cover. (Ref: Fig 2-C)
○
Undo the screws (C) and replace the valve box
of both sides. (Ref: Fig 2-C)
○
Undo the nuts (D) and remove diaphragm
holders and diaphragms from the magnet. (Ref:
Fig 2-D)
○
Set the new diaphragm holders and diaphragms
and fasten them with the nuts. (D). ( Ref: Fig
2-D)
Notes:
Use the new nuts (D) in the repair kit.
Note the locating notch for reassembly.
○
Assemble
by
reversing
the
disassembly
procedure.
Notes:
Keep the magnet from touching the solenoids.
○
Check airflow and sound level before installation.
Automatically reset thermal protector
An automatically reset thermal protector installed on the solenoid stops pump
operation if solenoid temperature becomes over 130 ± 5
℃
. When the
solenoid temperature cools down to 85 ± 15
℃
, the protector is reset
automatically and pump operation restarts.
○
Do not touch live parts. Touching live parts will result in electric shock.
○
If the magnet contacts the solenoids during operation, it will cause
damage on parts, abnormal heat, and short circuiting.
